31412322320 has 120 divisors (see below), whose sum is σ = 76066024320. Its totient is φ = 12062918400.

The previous prime is 31412322313. The next prime is 31412322391. The reversal of 31412322320 is 2322321413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10069721 + ... + 10072839.

It is an arithmetic number, because the mean of its divisors is an integer number (633883536).

Almost surely, 2^31412322320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31412322320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38033012160).

31412322320 is an abundant number, since it is smaller than the sum of its proper divisors (44653702000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31412322320 is a wasteful number, since it uses less digits than its factorization.

31412322320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3325 (or 3288 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 31412322320 its reverse (2322321413), we get a palindrome (33734643733).

The spelling of 31412322320 in words is "thirty-one billion, four hundred twelve million, three hundred twenty-two thousand, three hundred twenty".